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MAX9985ETX+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX9985ETX+

Manufacturer: MAXIM

Dual, SiGe, High-Linearity, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch

Partnumber Manufacturer Quantity Availability
MAX9985ETX+,MAX9985ETX MAXIM 20 In Stock

Description and Introduction

Dual, SiGe, High-Linearity, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch The MAX9985ETX+ is a high-performance, dual-band downconverter mixer manufactured by Maxim Integrated.  

### **Specifications:**  
- **Frequency Range:**  
  - RF Input: 1800MHz to 2500MHz  
  - LO Input: 1600MHz to 2200MHz  
  - IF Output: 100MHz to 500MHz  
- **Conversion Gain:** 7.5dB (typical)  
- **Noise Figure:** 10.5dB (typical)  
- **Input IP3 (IIP3):** +21.5dBm (typical)  
- **LO Drive Level:** 0dBm (typical)  
- **Supply Voltage:** +3.0V to +5.25V  
- **Current Consumption:** 24mA (typical)  
- **Package:** 36-Pin TQFN (6mm x 6mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX9985ETX+ is designed for wireless infrastructure applications, supporting dual-band operation for GSM, CDMA, WCDMA, and LTE systems. It integrates two high-linearity downconverter mixers, reducing external component count and simplifying design.  

### **Features:**  
- **Dual-Band Operation:** Supports two independent RF bands.  
- **High Linearity:** Optimized for high IIP3 performance.  
- **Low LO Leakage:** Minimizes unwanted signal interference.  
- **Integrated LO Buffer:** Reduces external LO drive requirements.  
- **Single-Ended RF and LO Inputs:** Simplifies PCB layout.  
- **Differential IF Outputs:** Improves noise immunity.  
- **Low Power Consumption:** Efficient for battery-powered applications.  

This device is ideal for base stations, repeaters, and other wireless communication systems requiring high performance in a compact form factor.

Application Scenarios & Design Considerations

Dual, SiGe, High-Linearity, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch
Partnumber Manufacturer Quantity Availability
MAX9985ETX+,MAX9985ETX MAXIN 11 In Stock

Description and Introduction

Dual, SiGe, High-Linearity, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch The MAX9985ETX+ is a high-performance, low-noise amplifier (LNA) manufactured by Maxim Integrated (MAXIN).  

### **Specifications:**  
- **Frequency Range:** 400MHz to 2500MHz  
- **Gain:** 15.5dB (typical)  
- **Noise Figure:** 1.4dB (typical at 900MHz)  
- **Input IP3 (Third-Order Intercept Point):** +22dBm (typical)  
- **Supply Voltage:** 2.7V to 3.3V  
- **Current Consumption:** 10.5mA (typical)  
- **Package:** 36-Pin TQFN (6mm x 6mm)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX9985ETX+ is a high-linearity, low-noise amplifier designed for cellular and wireless applications. It provides excellent noise figure and linearity, making it suitable for base stations, repeaters, and other RF front-end systems.  

### **Features:**  
- **High Linearity:** Optimized for high IP3 performance.  
- **Low Noise Figure:** Enhances receiver sensitivity.  
- **Wide Frequency Range:** Supports multiple wireless standards.  
- **Single 3V Supply Operation:** Simplifies power requirements.  
- **Integrated Shutdown Mode:** Reduces power consumption when not in use.  
- **Matched Input/Output:** 50Ω internally matched for ease of use.  

For detailed application notes and additional specifications, refer to the official Maxim Integrated datasheet.

Application Scenarios & Design Considerations

Dual, SiGe, High-Linearity, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch

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